The design of the structure of Caseegrain drawtube in space remote instrument was introduced. The product model was constructed using 3-d CAD technique.
介绍了空间遥感仪器中卡塞格伦镜筒的结构设计，利用三维CAD技术构建了产品模型。
The 3-d CAD design of small-sized pipe has the efficiency 10 times over the traditional manual design with accurate and reliable data, which has obtained better results during construction.
计算机小直径管三维设计，其效率是传统手工设计的数十倍，数据准确、可靠，在施工中收到较好的效果。
With wind turbine blades as the research object, this thesis elaborates their programming design, CAD system development, 3-d entity modeling, and dynamics analysis.
本文以风力机叶片为研究对象，在叶片的程序化设计、CAD系统开发、三维实体造型和动力学分析等方面进行了研究。
With wind turbine blades as the research object, this thesis elaborates their programming design, CAD system development, 3-d entity modeling, and dynamics analysis.
本文以风力机叶片为研究对象，在叶片的程序化设计、CAD系统开发、三维实体造型和动力学分析等方面进行了研究。
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